Examples with BestPossAndExtViewZkVerifier org.apache.helix.tools.ClusterStateVerifier.BestPossAndExtViewZkVerifier used on opensource projects

Example 1 with BestPossAndExtViewZkVerifier

use of org.apache.helix.tools.ClusterStateVerifier.BestPossAndExtViewZkVerifier in project helix by apache.

the class TestHelixAdminScenariosRest method testStartCluster.

@Test
public void testStartCluster() throws Exception {
    final String clusterName = "clusterTestStartCluster";
    final String controllerClusterName = "controllerClusterTestStartCluster";
    Map<String, MockParticipantManager> participants = new HashMap<String, MockParticipantManager>();
    Map<String, ClusterDistributedController> distControllers = new HashMap<String, ClusterDistributedController>();
    // setup cluster
    addCluster(clusterName);
    addInstancesToCluster(clusterName, "localhost:123", 6, null);
    addResource(clusterName, "db_11", 8);
    rebalanceResource(clusterName, "db_11");
    addCluster(controllerClusterName);
    addInstancesToCluster(controllerClusterName, "controller_900", 2, null);
    // start mock nodes
    for (int i = 0; i < 6; i++) {
        String instanceName = "localhost_123" + i;
        MockParticipantManager participant = new MockParticipantManager(ZK_ADDR, clusterName, instanceName);
        participant.syncStart();
        participants.put(instanceName, participant);
    }
    // start controller nodes
    for (int i = 0; i < 2; i++) {
        String controllerName = "controller_900" + i;
        ClusterDistributedController distController = new ClusterDistributedController(ZK_ADDR, controllerClusterName, controllerName);
        distController.syncStart();
        distControllers.put(controllerName, distController);
    }
    Thread.sleep(100);
    // activate clusters
    // wrong grand clustername
    String clusterUrl = getClusterUrl(clusterName);
    assertSuccessPostOperation(clusterUrl, activateClusterCmd("nonExistCluster", true), true);
    // wrong cluster name
    clusterUrl = getClusterUrl("nonExistCluster");
    assertSuccessPostOperation(clusterUrl, activateClusterCmd(controllerClusterName, true), true);
    clusterUrl = getClusterUrl(clusterName);
    assertSuccessPostOperation(clusterUrl, activateClusterCmd(controllerClusterName, true), false);
    Thread.sleep(500);
    deleteUrl(clusterUrl, true);
    // verify leader node
    HelixDataAccessor accessor = distControllers.get("controller_9001").getHelixDataAccessor();
    LiveInstance controllerLeader = accessor.getProperty(accessor.keyBuilder().controllerLeader());
    Assert.assertTrue(controllerLeader.getInstanceName().startsWith("controller_900"));
    accessor = participants.get("localhost_1232").getHelixDataAccessor();
    LiveInstance leader = accessor.getProperty(accessor.keyBuilder().controllerLeader());
    for (int i = 0; i < 5; i++) {
        if (leader != null) {
            break;
        }
        Thread.sleep(1000);
        leader = accessor.getProperty(accessor.keyBuilder().controllerLeader());
    }
    Assert.assertTrue(leader.getInstanceName().startsWith("controller_900"));
    boolean verifyResult = ClusterStateVerifier.verifyByZkCallback(new MasterNbInExtViewVerifier(ZK_ADDR, clusterName));
    Assert.assertTrue(verifyResult);
    verifyResult = ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR, clusterName));
    Assert.assertTrue(verifyResult);
    Thread.sleep(1000);
    // clean up
    for (ClusterDistributedController controller : distControllers.values()) {
        controller.syncStop();
    }
    for (MockParticipantManager participant : participants.values()) {
        participant.syncStop();
    }
}

Example 2 with BestPossAndExtViewZkVerifier

use of org.apache.helix.tools.ClusterStateVerifier.BestPossAndExtViewZkVerifier in project helix by apache.

the class TestHelixAdminScenariosRest method testExpandCluster.

@Test
public void testExpandCluster() throws Exception {
    final String clusterName = "clusterTestExpandCluster";
    // setup cluster
    addCluster(clusterName);
    addInstancesToCluster(clusterName, "localhost:123", 6, null);
    addResource(clusterName, "db_11", 22);
    rebalanceResource(clusterName, "db_11");
    ClusterControllerManager controller = new ClusterControllerManager(ZK_ADDR, clusterName, "controller_9900");
    controller.syncStart();
    // start mock nodes
    Map<String, MockParticipantManager> participants = new HashMap<String, MockParticipantManager>();
    for (int i = 0; i < 6; i++) {
        String instanceName = "localhost_123" + i;
        MockParticipantManager participant = new MockParticipantManager(ZK_ADDR, clusterName, instanceName);
        participant.syncStart();
        participants.put(instanceName, participant);
    }
    boolean verifyResult = ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR, clusterName));
    Assert.assertTrue(verifyResult);
    String clusterUrl = getClusterUrl(clusterName);
    String instancesUrl = clusterUrl + "/instances";
    String instances = "localhost:12331;localhost:12341;localhost:12351;localhost:12361";
    String response = assertSuccessPostOperation(instancesUrl, addInstanceCmd(instances), false);
    String[] hosts = instances.split(";");
    for (String host : hosts) {
        Assert.assertTrue(response.contains(host.replace(':', '_')));
    }
    response = assertSuccessPostOperation(clusterUrl, expandClusterCmd(), false);
    for (int i = 3; i <= 6; i++) {
        String instanceName = "localhost_123" + i + "1";
        MockParticipantManager participant = new MockParticipantManager(ZK_ADDR, clusterName, instanceName);
        participant.syncStart();
        participants.put(instanceName, participant);
    }
    verifyResult = ClusterStateVerifier.verifyByZkCallback(new MasterNbInExtViewVerifier(ZK_ADDR, clusterName));
    Assert.assertTrue(verifyResult);
    verifyResult = ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR, clusterName));
    Assert.assertTrue(verifyResult);
    // clean up
    controller.syncStop();
    for (MockParticipantManager participant : participants.values()) {
        participant.syncStop();
    }
}

Example 3 with BestPossAndExtViewZkVerifier

use of org.apache.helix.tools.ClusterStateVerifier.BestPossAndExtViewZkVerifier in project helix by apache.

the class TestClusterStateVerifier method testResourceSubset.

@Test
public void testResourceSubset() throws InterruptedException {
    // Ensure that this passes even when one resource is down
    _admin.enableInstance(_clusterName, "localhost_12918", false);
    Thread.sleep(1000);
    _admin.enableCluster(_clusterName, false);
    _admin.enableInstance(_clusterName, "localhost_12918", true);
    boolean result = ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR, _clusterName, null, Sets.newHashSet(RESOURCES[1])));
    Assert.assertTrue(result);
    String[] args = { "--zkSvr", ZK_ADDR, "--cluster", _clusterName, "--resources", RESOURCES[1] };
    result = ClusterStateVerifier.verifyState(args);
    Assert.assertTrue(result);
    // But the full cluster verification should fail
    boolean fullResult = new BestPossAndExtViewZkVerifier(ZK_ADDR, _clusterName).verify();
    Assert.assertFalse(fullResult);
    _admin.enableCluster(_clusterName, true);
}

Example 4 with BestPossAndExtViewZkVerifier

use of org.apache.helix.tools.ClusterStateVerifier.BestPossAndExtViewZkVerifier in project helix by apache.

the class TestClusterStateVerifier method testEntireCluster.

@Test
public void testEntireCluster() {
    // Just ensure that the entire cluster passes
    // ensure that the external view coalesces
    boolean result = ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR, _clusterName));
    Assert.assertTrue(result);
}

Example 5 with BestPossAndExtViewZkVerifier

use of org.apache.helix.tools.ClusterStateVerifier.BestPossAndExtViewZkVerifier in project helix by apache.

the class TestHelixAdminCli method testDropAddResource.

@Test
public void testDropAddResource() throws Exception {
    String className = TestHelper.getTestClassName();
    String methodName = TestHelper.getTestMethodName();
    String clusterName = className + "_" + methodName;
    String grandClusterName = clusterName + "_grand";
    final int n = 6;
    System.out.println("START " + clusterName + " at " + new Date(System.currentTimeMillis()));
    MockParticipantManager[] participants = new MockParticipantManager[n];
    ClusterDistributedController[] controllers = new ClusterDistributedController[2];
    setupCluster(clusterName, grandClusterName, n, participants, controllers);
    String command = "-zkSvr " + ZK_ADDR + " -activateCluster " + clusterName + " " + grandClusterName + " true";
    ClusterSetup.processCommandLineArgs(command.split("\\s+"));
    Thread.sleep(500);
    // save ideal state
    BaseDataAccessor<ZNRecord> baseAccessor = new ZkBaseDataAccessor<ZNRecord>(_gZkClient);
    HelixDataAccessor accessor = new ZKHelixDataAccessor(clusterName, baseAccessor);
    IdealState idealState = accessor.getProperty(accessor.keyBuilder().idealStates("db_11"));
    ZNRecordJsonSerializer serializer = new ZNRecordJsonSerializer();
    String tmpDir = System.getProperty("java.io.tmpdir");
    if (tmpDir == null) {
        tmpDir = "/tmp";
    }
    final String tmpIdealStateFile = tmpDir + "/" + clusterName + "_idealState.log";
    FileWriter fos = new FileWriter(tmpIdealStateFile);
    PrintWriter pw = new PrintWriter(fos);
    pw.write(new String(serializer.serialize(idealState.getRecord())));
    pw.close();
    command = "-zkSvr " + ZK_ADDR + " -dropResource " + clusterName + " db_11 ";
    ClusterSetup.processCommandLineArgs(command.split("\\s+"));
    boolean verifyResult = ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR, clusterName));
    Assert.assertTrue(verifyResult);
    command = "-zkSvr " + ZK_ADDR + " -addIdealState " + clusterName + " db_11 " + tmpIdealStateFile;
    ClusterSetup.processCommandLineArgs(command.split("\\s+"));
    verifyResult = ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR, clusterName));
    Assert.assertTrue(verifyResult);
    IdealState idealState2 = accessor.getProperty(accessor.keyBuilder().idealStates("db_11"));
    Assert.assertTrue(idealState2.getRecord().equals(idealState.getRecord()));
    // clean up
    for (int i = 0; i < controllers.length; i++) {
        controllers[i].syncStop();
    }
    for (int i = 0; i < participants.length; i++) {
        participants[i].syncStop();
    }
    System.out.println("END " + clusterName + " at " + new Date(System.currentTimeMillis()));
}